Base | Representation |
---|---|
bin | 110011111010111000… |
… | …110100101011110000 |
3 | 12022220020012211211202 |
4 | 303322320310223300 |
5 | 1403133143314113 |
6 | 41335522230332 |
7 | 4012336021130 |
oct | 637270645360 |
9 | 168806184752 |
10 | 55748807408 |
11 | 21708826158 |
12 | a97a1b53a8 |
13 | 5345a99308 |
14 | 29ac032ac0 |
15 | 16b4410258 |
hex | cfae34af0 |
55748807408 has 40 divisors (see below), whose sum is σ = 123523864800. Its totient is φ = 23876847360.
The previous prime is 55748807341. The next prime is 55748807417. The reversal of 55748807408 is 80470884755.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12818 + ... + 334158.
It is an arithmetic number, because the mean of its divisors is an integer number (3088096620).
Almost surely, 255748807408 is an apocalyptic number.
It is an amenable number.
55748807408 is an abundant number, since it is smaller than the sum of its proper divisors (67775057392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55748807408 is a wasteful number, since it uses less digits than its factorization.
55748807408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322905 (or 322899 counting only the distinct ones).
The product of its (nonzero) digits is 10035200, while the sum is 56.
The spelling of 55748807408 in words is "fifty-five billion, seven hundred forty-eight million, eight hundred seven thousand, four hundred eight".
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